Home / 4,001.82-5,523.08-2,886.45

Finding the Fourth Proportional to 4,001.82, 5,523.08 and 2,886.45

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Solution

The fourth proportional to 4,001.82, 5,523.08 and 2,886.45 is: 3,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.82 : 5,523.08 = 2,886.45 : x
  2. Step 2: Convert to fraction form
    4,001.82/5,523.08 = 2,886.45/x
  3. Step 3: Cross multiply
    4,001.82x = 5,523.08 × 2,886.45
  4. Step 4: Simplify right side
    4,001.82x = 15,942,094.27
  5. Step 5: Solve for x
    x = 15,942,094.27/4,001.82
  6. Step 6: Final answer
    x = 3,983.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.